自己做的一个哈西表算法，在数据结构实验上能用到，哈西表是进行文件查找的一个非常常用的算法，很重要！-have done an Hasina table algorithm, the data structure used up to the experiment, Hasina Table file search is a very commonly used algorithm, it is very important!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003069s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.091116s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001113s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001133s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001314s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003068s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000948s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003735s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017661s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001273s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 140271 [ RunTime:0.020939s ]
